radv/sqtt: describe begin/end command buffers with user markers

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4031>

src/amd/vulkan/layers/radv_sqtt_layer.c

@@ -45,6 +45,63 @@ enum rgp_sqtt_marker_identifier {
 	RGP_SQTT_MARKER_IDENTIFIER_RESERVED6		= 0xF
 };
 
+/**
+ * RGP SQ thread-tracing marker for the start of a command buffer. (Table 2)
+ */
+struct rgp_sqtt_marker_cb_start {
+	union {
+		struct {
+			uint32_t identifier : 4;
+			uint32_t ext_dwords : 3;
+			uint32_t cb_id : 20;
+			uint32_t queue : 5;
+		};
+		uint32_t dword01;
+	};
+	union {
+		uint32_t device_id_low;
+		uint32_t dword02;
+	};
+	union {
+		uint32_t device_id_high;
+		uint32_t dword03;
+	};
+	union {
+		uint32_t queue_flags;
+		uint32_t dword04;
+	};
+};
+
+static_assert(sizeof(struct rgp_sqtt_marker_cb_start) == 16,
+	      "rgp_sqtt_marker_cb_start doesn't match RGP spec");
+
+/**
+ *
+ * RGP SQ thread-tracing marker for the end of a command buffer. (Table 3)
+ */
+struct rgp_sqtt_marker_cb_end {
+	union {
+		struct {
+			uint32_t identifier : 4;
+			uint32_t ext_dwords : 3;
+			uint32_t cb_id : 20;
+			uint32_t reserved : 5;
+		};
+		uint32_t dword01;
+	};
+	union {
+		uint32_t device_id_low;
+		uint32_t dword02;
+	};
+	union {
+		uint32_t device_id_high;
+		uint32_t dword03;
+	};
+};
+
+static_assert(sizeof(struct rgp_sqtt_marker_cb_end) == 12,
+	      "rgp_sqtt_marker_cb_end doesn't match RGP spec");
+
 /**
  * API types used in RGP SQ thread-tracing markers for the "General API"
  * packet.
@@ -145,6 +202,49 @@ radv_write_end_general_api_marker(struct radv_cmd_buffer *cmd_buffer,
 	radv_emit_thread_trace_userdata(cs, &marker, sizeof(marker) / 4);
 }
 
+void
+radv_describe_begin_cmd_buffer(struct radv_cmd_buffer *cmd_buffer)
+{
+	uint64_t device_id = (uint64_t)cmd_buffer->device;
+	struct rgp_sqtt_marker_cb_start marker = {};
+	struct radeon_cmdbuf *cs = cmd_buffer->cs;
+
+	if (likely(!cmd_buffer->device->thread_trace_bo))
+		return;
+
+	marker.identifier = RGP_SQTT_MARKER_IDENTIFIER_CB_START;
+	marker.cb_id = 0;
+	marker.device_id_low = device_id;
+	marker.device_id_high = device_id >> 32;
+	marker.queue = cmd_buffer->queue_family_index;
+	marker.queue_flags = VK_QUEUE_COMPUTE_BIT |
+			     VK_QUEUE_TRANSFER_BIT |
+			     VK_QUEUE_SPARSE_BINDING_BIT;
+
+	if (cmd_buffer->queue_family_index == RADV_QUEUE_GENERAL)
+		marker.queue_flags |= VK_QUEUE_GRAPHICS_BIT;
+
+	radv_emit_thread_trace_userdata(cs, &marker, sizeof(marker) / 4);
+}
+
+void
+radv_describe_end_cmd_buffer(struct radv_cmd_buffer *cmd_buffer)
+{
+	uint64_t device_id = (uint64_t)cmd_buffer->device;
+	struct rgp_sqtt_marker_cb_end marker = {};
+	struct radeon_cmdbuf *cs = cmd_buffer->cs;
+
+	if (likely(!cmd_buffer->device->thread_trace_bo))
+		return;
+
+	marker.identifier = RGP_SQTT_MARKER_IDENTIFIER_CB_END;
+	marker.cb_id = 0;
+	marker.device_id_low = device_id;
+	marker.device_id_high = device_id >> 32;
+
+	radv_emit_thread_trace_userdata(cs, &marker, sizeof(marker) / 4);
+}
+
 #define API_MARKER(cmd_name, args...) \
 	RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer); \
 	radv_write_begin_general_api_marker(cmd_buffer, ApiCmd##cmd_name); \

src/amd/vulkan/radv_cmd_buffer.c

@@ -3441,6 +3441,8 @@ VkResult radv_BeginCommandBuffer(
 	if (unlikely(cmd_buffer->device->trace_bo))
 		radv_cmd_buffer_trace_emit(cmd_buffer);
 
+	radv_describe_begin_cmd_buffer(cmd_buffer);
+
 	cmd_buffer->status = RADV_CMD_BUFFER_STATUS_RECORDING;
 
 	return result;
@@ -3794,6 +3796,8 @@ VkResult radv_EndCommandBuffer(
 	 */
 	si_cp_dma_wait_for_idle(cmd_buffer);
 
+	radv_describe_end_cmd_buffer(cmd_buffer);
+
 	vk_free(&cmd_buffer->pool->alloc, cmd_buffer->state.attachments);
 	vk_free(&cmd_buffer->pool->alloc, cmd_buffer->state.subpass_sample_locs);
 

src/amd/vulkan/radv_private.h

@@ -2419,6 +2419,10 @@ void radv_emit_thread_trace_userdata(struct radeon_cmdbuf *cs,
 int radv_dump_thread_trace(struct radv_device *device,
 			   const struct radv_thread_trace *trace);
 
+/* radv_sqtt_layer_.c */
+void radv_describe_begin_cmd_buffer(struct radv_cmd_buffer *cmd_buffer);
+void radv_describe_end_cmd_buffer(struct radv_cmd_buffer *cmd_buffer);
+
 struct radeon_winsys_sem;
 
 uint64_t radv_get_current_time(void);